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94693b7b83
Add device tree binding documentation and header file for Renesas R7S9210 (RZ/A2) SoCs. Signed-off-by: Chris Brandt <chris.brandt@renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Defines macros and constants for Renesas RZ/A2 pin controller pin
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* muxing functions.
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*/
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#ifndef __DT_BINDINGS_PINCTRL_RENESAS_RZA2_H
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#define __DT_BINDINGS_PINCTRL_RENESAS_RZA2_H
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#define RZA2_PINS_PER_PORT 8
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/* Port names as labeled in the Hardware Manual */
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#define PORT0 0
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#define PORT1 1
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#define PORT2 2
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#define PORT3 3
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#define PORT4 4
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#define PORT5 5
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#define PORT6 6
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#define PORT7 7
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#define PORT8 8
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#define PORT9 9
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#define PORTA 10
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#define PORTB 11
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#define PORTC 12
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#define PORTD 13
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#define PORTE 14
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#define PORTF 15
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#define PORTG 16
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#define PORTH 17
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/* No I */
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#define PORTJ 18
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#define PORTK 19
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#define PORTL 20
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#define PORTM 21 /* Pins PM_0/1 are labeled JP_0/1 in HW manual */
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/*
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* Create the pin index from its bank and position numbers and store in
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* the upper 16 bits the alternate function identifier
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*/
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#define RZA2_PINMUX(b, p, f) ((b) * RZA2_PINS_PER_PORT + (p) | (f << 16))
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/*
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* Convert a port and pin label to its global pin index
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*/
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#define RZA2_PIN(port, pin) ((port) * RZA2_PINS_PER_PORT + (pin))
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#endif /* __DT_BINDINGS_PINCTRL_RENESAS_RZA2_H */
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